/* ============================================================
   待办页
   ============================================================ */
[data-page="todo"] { display: flex; flex-direction: column; overflow: hidden; }

/* ── 待办日期导航（单独一行） ── */
.todo-date-nav {
  flex-shrink: 0;
  display: grid;
  grid-template-columns: 30px 1fr 30px auto;
  align-items: center;
  gap: 0 6px;
  padding: 8px 14px 6px;
  background: transparent;
}
.todo-date-label {
  font-size: var(--font-body);
  font-weight: var(--weight-title);
  color: var(--text);
  letter-spacing: var(--tracking-title);
  flex: 1;
  text-align: center;
}
.todo-date-arrow {
  width: 30px; height: 30px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  color: var(--text3);
  flex-shrink: 0;
  transition: color var(--tr), background var(--tr);
}
.todo-date-arrow:active { background: var(--material-field); color: var(--text); }
.todo-date-arrow:focus-visible { outline: var(--focus-ring); outline-offset: 2px; }
.todo-date-arrow svg { width: 16px; height: 16px; }

/* ── 精力状态 chip（嵌在日期导航行尾） ── */
.energy-state-btn {
  flex-shrink: 0;
  height: 26px;
  padding: 0 10px;
  border-radius: 999px;
  color: var(--text3);
  background: transparent;
  border: 1px solid var(--separator-soft);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.01em;
  transition: color .42s var(--ease-slide, cubic-bezier(.32,.72,0,1)),
              background .42s var(--ease-slide, cubic-bezier(.32,.72,0,1)),
              border-color .42s var(--ease-slide, cubic-bezier(.32,.72,0,1)),
              transform .24s var(--ease-slide, cubic-bezier(.32,.72,0,1));
  white-space: nowrap;
  position: relative;
  isolation: isolate;
}
.energy-state-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 999px;
  background: currentColor;
  opacity: 0;
  z-index: -1;
  transform: scale(.86);
  transition: opacity .42s var(--ease-slide, cubic-bezier(.32,.72,0,1)),
              transform .42s var(--ease-slide, cubic-bezier(.32,.72,0,1));
}
.energy-state-btn.is-changing {
  transform: scale(.94);
}
.energy-state-btn.is-changing::before {
  opacity: .16;
  transform: scale(1.08);
}
.energy-state-btn:active { opacity: 0.7; }

.energy-state-btn[data-energy-state="high"] {
  color: #16a34a;
  background: color-mix(in srgb, #dcfce7 60%, transparent);
  border-color: #bbf7d0;
}
.energy-state-btn[data-energy-state="normal"] {
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  border-color: color-mix(in srgb, var(--accent) 30%, transparent);
}
.energy-state-btn[data-energy-state="low"] {
  color: #b45309;
  background: color-mix(in srgb, #fef3c7 60%, transparent);
  border-color: #fde68a;
}
.energy-state-btn[data-energy-state="stuck"] {
  color: #dc2626;
  background: color-mix(in srgb, #fee2e2 60%, transparent);
  border-color: #fecaca;
}

/* ── 待办 Tab（原样） ── */
.todo-tabs {
  flex-shrink: 0;
  display: flex;
  padding: 0 18px;
  gap: 4px;
  background: transparent;
  position: relative;
}
.todo-tab-row { display: flex; gap: 0; }
.todo-tab {
  flex: 1;
  padding: 9px 4px 8px;
  font-size: var(--font-footnote);
  font-weight: var(--weight-body-strong);
  line-height: 1.25;
  color: var(--text3);
  text-align: center;
  transition: color var(--tr-fast) var(--ease-standard);
  position: relative;
  z-index: 1;
}
.todo-tab:focus-visible {
  outline: var(--focus-ring);
  outline-offset: 2px;
  border-radius: var(--radius-xs);
}
.todo-tab.active { color: var(--accent); font-weight: 650; }
.tab-indicator {
  position: absolute;
  bottom: 0;
  left: 18px;
  height: 2px;
  border-radius: 99px;
  background: var(--accent);
  /* Width eases in CSS; horizontal position uses Motion spring in todo.js */
  transition: width 0.26s var(--ease-nav);
  will-change: transform;
}
.tab-count { font-size: inherit; font-weight: inherit; margin-left: 4px; opacity: .7; }

.tab-panel { display: none; min-height: 100%; padding: 15px 18px calc(var(--nav-h) + var(--safe-bottom) + 34px); }
.tab-panel.active { display: block; }

/* 任务列表 */
.task-list { display: flex; flex-direction: column; gap: 12px; overflow-anchor: none; }

.task-item {
  --priority-color: var(--accent);
  --priority-alpha: .5;
  --task-action-width: 216px;
  background: var(--material-raised);
  border: 1px solid var(--separator-soft);
  box-shadow: var(--shadow-card);
  border-radius: var(--radius);
  padding: 14px 16px;
  display: flex;
  align-items: flex-start;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: transform var(--tr-fast) var(--ease-standard), box-shadow var(--tr-fast) var(--ease-standard), border-color var(--tr-fast) var(--ease-standard);
  touch-action: none;
}
.task-item.type-2,
.task-item.type-3 {
  box-shadow: var(--shadow-card);
}
.task-item:active { transform: scale(.988); box-shadow: 0 1px 0 rgba(255,255,255,0.45) inset; }
.task-item::before {
  display: none;
}
.task-item.done { opacity: .72; }
.task-item:active { transform: scale(.988); }

.task-item.done {
  --task-action-width: 72px;
}
.task-content {
  flex: 1;
  min-width: 0;
  position: relative;
  z-index: 1;
  width: 100%;
  transition: transform var(--duration-slide) var(--ease-slide);
}
.task-item.swipe-open .task-content {
  transform: translateX(calc(-1 * var(--task-action-width)));
}
.task-swipe-actions {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
  width: var(--task-action-width);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  transform: translateX(104%);
  transition: transform var(--duration-slide) var(--ease-slide);
  overflow: hidden;
  border-radius: 0 var(--radius) var(--radius) 0;
  background: color-mix(in srgb, var(--material-raised) 88%, white 12%);
}
.task-swipe-actions.done-actions {
  grid-template-columns: 1fr;
}
.task-item.swipe-open .task-swipe-actions {
  transform: translateX(0);
}
.task-swipe-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 6px;
  color: var(--text);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0;
  box-shadow: inset 1px 0 rgba(255,255,255,.62);
}
.task-swipe-btn:active {
  filter: saturate(1.04) brightness(.98);
}
.task-swipe-done {
  color: #1f8f43;
  background:
    linear-gradient(180deg,
      #effbf3 0%,
      #d8f3e2 100%);
}
.task-swipe-delete {
  color: #c9342d;
  background:
    linear-gradient(180deg,
      #fff1ef 0%,
      #ffdcd8 100%);
}
.task-swipe-reschedule {
  color: color-mix(in srgb, var(--accent) 72%, var(--text) 28%);
  background:
    linear-gradient(180deg,
      color-mix(in srgb, var(--accent-light) 62%, var(--material-raised) 38%) 0%,
      color-mix(in srgb, var(--accent-light) 78%, var(--accent) 22%) 100%);
}

.task-click-action-overlay {
  position: fixed;
  inset: 0;
  z-index: 180;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: max(24px, var(--safe-top)) 24px max(24px, var(--safe-bottom));
  background: rgba(15, 18, 30, .12);
  opacity: 0;
  pointer-events: none;
  backdrop-filter: blur(16px) saturate(1.06);
  -webkit-backdrop-filter: blur(16px) saturate(1.06);
  transition: opacity .22s var(--ease-standard);
}
.task-click-action-overlay.show {
  opacity: 1;
  pointer-events: auto;
}
.task-click-action-card {
  width: min(336px, calc(100vw - 48px));
  padding: 24px 18px 14px;
  border: 0;
  border-radius: 22px;
  background: rgba(248, 250, 255, .82);
  box-shadow: 0 24px 68px rgba(20, 26, 52, .18), inset 0 1px 0 rgba(255,255,255,.76);
  text-align: center;
  backdrop-filter: blur(28px) saturate(1.14);
  -webkit-backdrop-filter: blur(28px) saturate(1.14);
  transform: translateY(8px) scale(.97);
  transition: transform .24s var(--ease-slide);
}
body:not(.light) .task-click-action-card {
  background: rgba(30, 31, 44, .72);
  box-shadow: 0 28px 78px rgba(0,0,0,.38), inset 0 1px 0 rgba(255,255,255,.10);
}
.task-click-action-overlay.show .task-click-action-card {
  transform: translateY(0) scale(1);
}
.task-click-action-title {
  color: var(--text);
  font-size: 17px;
  font-weight: var(--weight-title);
  line-height: 1.24;
  letter-spacing: -.018em;
}
.task-click-action-subtitle {
  margin-top: 8px;
  color: var(--text3);
  font-size: 13px;
  font-weight: var(--weight-caption);
  line-height: 1.38;
  letter-spacing: -.01em;
}
.task-click-action-buttons {
  display: flex;
  flex-direction: column;
  gap: 7px;
  margin-top: 20px;
}
.task-action-btn,
.task-action-cancel {
  width: 100%;
  min-height: 44px;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 650;
  letter-spacing: -.012em;
  transition: transform var(--tr-fast) var(--ease-standard), opacity var(--tr-fast) var(--ease-standard), filter var(--tr-fast) var(--ease-standard);
}
.task-action-btn:active,
.task-action-cancel:active {
  transform: scale(.985);
  opacity: .86;
}
.task-action-primary {
  color: #fff;
  background: linear-gradient(180deg, color-mix(in srgb, var(--accent) 78%, #fff 22%), var(--accent));
  box-shadow: 0 12px 26px color-mix(in srgb, var(--accent) 28%, transparent);
}
.task-action-secondary,
.task-action-danger {
  background: rgba(255,255,255,.42);
  border: 0;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.42);
}
body:not(.light) .task-action-secondary,
body:not(.light) .task-action-danger {
  background: rgba(255,255,255,.055);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.055);
}
.task-action-secondary {
  color: var(--text2);
}
.task-action-danger {
  color: color-mix(in srgb, #ff6b78 86%, var(--text) 14%);
}
.task-action-cancel {
  margin-top: 5px;
  color: var(--text3);
  background: transparent;
  min-height: 38px;
  font-weight: 600;
}

body.priority-dragging { overscroll-behavior: contain; }
.priority-dragging .task-item { transition: transform .12s ease, opacity .12s ease, box-shadow .12s ease; }
.task-item.dragging {
  opacity: .34;
  transform: scale(.985);
  box-shadow: none;
}
.task-drag-placeholder {
  list-style: none;
  border-radius: var(--radius);
  border: 1px dashed color-mix(in srgb, var(--accent) 42%, transparent);
  background:
    linear-gradient(135deg,
      color-mix(in srgb, var(--accent-light) 46%, transparent),
      color-mix(in srgb, var(--material-raised) 72%, transparent));
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--accent-light) 42%, transparent);
  pointer-events: none;
  min-height: 48px;
  transition: transform .12s ease, opacity .12s ease, height .12s ease;
}
.task-drag-ghost {
  position: fixed;
  z-index: 60;
  margin: 0;
  list-style: none;
  pointer-events: none;
  opacity: .96;
  transform: scale(1.02);
  box-shadow: 0 18px 42px rgba(8,9,16,.28);
  touch-action: none;
  will-change: left, top;
}

.task-title { font-size: 16px; font-weight: var(--weight-body-strong); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; margin-bottom: 5px; letter-spacing: var(--tracking-title); color: var(--text); line-height: 1.28; }
.task-item.done .task-title { text-decoration: line-through; color: var(--text3); font-weight: var(--weight-caption); }
.task-meta { display: flex; align-items: center; gap: 7px; flex-wrap: wrap; }
.task-time-tag { font-size: var(--font-caption); font-weight: var(--weight-caption); color: var(--text3); display: flex; align-items: center; gap: 3px; }
.task-time-tag svg { width: 10px; height: 10px; }
.task-time-tag.overdue { color: var(--danger); }
.task-type-tag { font-size: var(--font-caption-2); padding: 2px 7px; border-radius: 99px; background: color-mix(in srgb, var(--accent-light) 48%, transparent); color: color-mix(in srgb, var(--accent) 78%, var(--text2) 22%); font-weight: var(--weight-caption); letter-spacing: .01em; }
.task-note { font-size: var(--font-caption); font-weight: 500; color: var(--text3); margin-top: 4px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; line-height: 1.38; }

/* 拖拽 */
.task-item[draggable="true"] { cursor: grab; }
.task-item.drag-over-top { border-top: 2px solid var(--accent) !important; }
.task-item.drag-over-bottom { border-bottom: 2px solid var(--accent) !important; }


/* ── 日期导航标签按钮 & 回今天点 ── */
.todo-date-label-btn {
  /* grid 布局下不再需要 flex:1，由列宽控制 */
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}
.todo-date-label-btn:focus-visible {
  outline: var(--focus-ring);
  outline-offset: 3px;
  border-radius: var(--radius-xs);
}
.today-dot {
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--accent);
  opacity: .8;
}